The Washer,key, cataloged under National Stock Number 5310-00-367-8716, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-367-8716 |
| Primary Part Number | 4027367 |
| Item Name | Washer,key |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Overall Distance Including Keys | 0.425 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN |
| Material Document and Classification | AMS5540 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Material Thickness | 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.151 INCHES MINIMUM AND 0.161 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | F |
| Part Number | Manufacturer |
|---|---|
| 4027367 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| 4027367 | 5/9 Secondary reference U.S. Government activity |
| 4027367 | 5/9 Secondary reference Turbo Power & Marine System Inc Sub of United Technologies Corp |
| 4027367 | 5/9 Secondary reference J. T. D. Stamping Co Inc |
NSN 5310-00-367-8716 is a Washer,key, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-367-8716 has 1 manufacturer part number on file: 4027367 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for 4027367: Overall Distance Including Keys: 0.425 INCHES MINIMUM AND 0.430 INCHES MAXIMUM IN; Material Document and Classification: AMS5540 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Material Thickness: 0.023 INCHES MINIMUM AND 0.027 INCHES MAXIMUM IN; Material: STEEL OVERALL. 5 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.